Certified septic pumping companies in Clark County, WI

✓ 2 companies based in Clark County, from the Wisconsin DNR licensed septage hauling businesses (retrieved 2026-07-23). Companies based in neighboring counties often serve here too — see the full Wisconsin list.

Company	Location	Certifications	License #
Decker Sanitation Services, Llc	Dorchester, WI	Septage Hauler	2356
Tri-County Septic Service Llc	Thorp, WI	Septage Hauler	2411

FAQs

How many certified septic pumping companies are in Clark County?

2 companies in the Wisconsin DNR licensed septage hauling businesses are based in Clark County as of 2026-07-23. Companies based elsewhere in Wisconsin also commonly serve the county.

Get free septic pumping quotes in Clark County

Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.